我有一个使用 this driver 的 Java 项目用于串行通信。该驱动程序使用 Windows 下的 dll 创建串口。
该项目包含多个 JUnit 测试,这些测试使用“Run as -> JUnit Test”成功完成。但是,在运行 ant 时引用 native 库的测试会失败(并且不引用 native 库的测试会通过)。
到目前为止,我最好的猜测是将包含 native 库的目录添加到 java.library.path,但我还没有通过 build.xml 文件成功完成此操作。
有人能说出一个(干净的)解决方案吗?
这是我的 build.xml:
<path id="compile.classpath">
<fileset dir="${lib}">
<include name="**/*.jar"/>
</fileset>
<fileset dir="${junit_home}">
<include name="**/*.jar"/>
</fileset>
</path>
<path id="test.classpath">
<pathelement location="${bin}" />
<fileset dir="${lib}">
<include name="**/*.jar"/>
</fileset>
<fileset dir="${junit_home}">
<include name="**/*.jar"/>
</fileset>
</path>
<target name="compile">
<mkdir dir="${bin}" />
<echo Message="Compiling src folder..." />
<javac includeantruntime="no" classpathref="compile.classpath" srcdir="${src}" destdir="${bin}" />
<echo Message="Compiling test folder..." />
<javac includeantruntime="no" classpathref="compile.classpath" srcdir="${test}" destdir="${bin}" />
</target>
<target name="test">
<mkdir dir="${test.reports}" />
<junit fork="yes" printsummary="yes" haltonfailure="yes">
<test name="${test.class.name}" todir="${test.reports}" />
<formatter type="xml" />
<classpath refid="test.classpath" />
</junit>
</target>
这是测试报告的一部分(XML 格式):
<testcase classname="nl.timo.comport.test.buildservertests.ComportFactoryTest" name="testGetInstance" time="0.0" />
<testcase classname="nl.timo.comport.test.buildservertests.ComportFactoryTest" name="testCreateDefaultComport" time="0.016">
<error message="giovynet.nativelink.SerialPort.getStateSerialPortC(Ljava/lang/String;)Ljava/lang/String;" type="java.lang.UnsatisfiedLinkError">java.lang.UnsatisfiedLinkError: giovynet.nativelink.SerialPort.getStateSerialPortC(Ljava/lang/String;)Ljava/lang/String;
at giovynet.nativelink.SerialPort.getStateSerialPortC(Native Method)
at giovynet.nativelink.SerialPort.getFreeSerialPort(SerialPort.java:50)
at package.comport.GioComport.getFreeSerialPorts(Unknown Source)
at package.comport.GioComport.findDevice(Unknown Source)
at package.comport.GioComport.<init>(Unknown Source)
at package.comport.ComportFactory.createNewPort(Unknown Source)
at package.comport.ComportFactory.createComport(Unknown Source)
at package.comport.test.buildservertests.ComportFactoryTest.testCreateDefaultComport(Unknown Source)
</error>
</testcase>
<testcase classname="nl.timo.comport.test.buildservertests.ComportFactoryTest" name="testCreateComportWithWrongSettings" time="0.0">
<error message="giovynet.nativelink.SerialPort.getStateSerialPortC(Ljava/lang/String;)Ljava/lang/String;" type="java.lang.UnsatisfiedLinkError">java.lang.UnsatisfiedLinkError: giovynet.nativelink.SerialPort.getStateSerialPortC(Ljava/lang/String;)Ljava/lang/String;
at giovynet.nativelink.SerialPort.getStateSerialPortC(Native Method)
at giovynet.nativelink.SerialPort.getFreeSerialPort(SerialPort.java:50)
at package.comport.GioComport.getFreeSerialPorts(Unknown Source)
at package.comport.GioComport.findDevice(Unknown Source)
at package.comport.GioComport.<init>(Unknown Source)
at package.comport.ComportFactory.createNewPort(Unknown Source)
at package.comport.ComportFactory.createComport(Unknown Source)
at package.comport.test.buildservertests.ComportFactoryTest.testCreateComportWithWrongSettings(Unknown Source)
</error>
</testcase>
<system-out><![CDATA[]]></system-out>
<system-err><![CDATA[java.lang.UnsatisfiedLinkError: no libSerialPort in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1738)
最佳答案
junit task in Ant ,允许设置系统属性,就像其他一些任务一样。您需要将 sysproperty
嵌套元素中的 java.library.path
值指定为:
<junit fork="yes" printsummary="yes" haltonfailure="yes">
<test name="${test.class.name}" todir="${test.reports}" />
<formatter type="xml" />
<classpath refid="test.classpath" />
<sysproperty key="java.library.path" value="put your library path here"/>
</junit>
关于java - 如何为 JUNIT 任务添加本地库路径?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6304483/